Diving tank boot



FIG. 1 is a top plan view of a diving tank boot incorporating my new design;

FIG. 2 is a side elevational view thereof, the broken line showing of the diving tank is for illustrative purposes only and forms no part of the claimed design;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a fragmentary sectional view taken along a plane corresponding to line 4--4 of FIG. 1. 

The ornamental design for a diving tank boot, substantially as shown and described. 